[issue30809] IDLE parenmatch - highlighting options

[Terry J. Reedy]

Terry J. Reedy added the comment:

I am not willing to add a new theme element to the 13 that already exist, let alone define it in config-extensions.def rather than in config-hightlight.def.  It is too much additional complication for too little impact.  Also, any theme specified in config-extensions would likely not work if the user switches between dark and light text.  Theme sets work together.

I will consider letting users select which of the existing 13 to use.  This requires that users be able to know what the 13 choices are.  Hence  the dependence on #22705.

I might also look at the visual effect of underlining.

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dependencies: +Idle extension configuration: add option-help option
priority: normal -> low
stage:  -> needs patch

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<http://bugs.python.org/issue30809>
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